package org.example.shoppingBrowser.config;

import org.example.shoppingBrowser.common.JacksonObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.util.List;

@Slf4j
@Configuration
public class WebMvcConfig extends WebMvcConfigurationSupport {
    @Value("${invoicing.filePath}")
    private String filePath;
    /**
     * 扩展MVC框架的消息转换器
     * @param converters
     */
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("扩展消息转换器......");
        //创建消息转换器对象
        MappingJackson2HttpMessageConverter messageConverter = new MappingJackson2HttpMessageConverter();
        //设置对象转换器，底层使用Jackson将Java对象转为json
        messageConverter.setObjectMapper(new JacksonObjectMapper());
        //将上面的消息转换器对象追加到mvc框架的转换器集合的最前面。
        converters.add(0,messageConverter);
    }

    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        //自定义资源处理
//        registry.addResourceHandler("/images/**")
//                .addResourceLocations("file:"+path);
        registry.addResourceHandler("/files/**")
                .addResourceLocations("file:"+filePath);
    }
}
